- Companies
- Plumbers and heating engineers
- London
- Flow Heating Services Ltd
Flow Heating Services Ltd
- Company number
- 11916491
- Incorporated
- 30 Mar 20197 years trading
- Registered office
- 41 Alma Avenue, Alma Avenue, London, E4 9JT
- Nature of business
- Plumbing, heat and air-conditioning installation
Flow Heating Services Ltd is a 7-year-old private limited company registered in London, company number 11916491, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £6,055 (-135.4%) on the year before, to -£1,582.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £1,323 against £2,905 owed within a year: 0.5 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£1,582 | £93 | £1,323 | £2,905 | 1 |
| 31 Mar 2024 | £4,473 | £3,779 | £8,733 | £6,260 | 2 |
| 31 Mar 2023 | £5,616 | £8,167 | £10K | £8,786 | 2 |
| 31 Mar 2022 | £7,077 | £5,464 | £11K | £10K | 0 |
| 31 Mar 2021 | £7,006 | £5,580 | £8,338 | £1,332 | 0 |
| 31 Mar 2020 | £5,610 | £6,894 | £1,284 | 0 |
Where Flow Heating Services Ltd is registered
The registered office is in London (E4), in the Waltham Forest local authority area, London. Show E4 9JT on a map.
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What happens if Flow Heating Services Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 11916491
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 March 2019 (7 years ago)
- Registered office
- 41 Alma Avenue, Alma Avenue, London, E4 9JT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 29 March 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- Flow Plus Plumbing Limited2025
- Flow Sure Drainage Ltd2026
- Flowbeautifully Ltd2025
- Flowcore Ltd.2025
- Flowfix Services Ltd2025
- Flowgenix Ltd2025
- Flowline Heating & Plumbing Ltd.2016
- Flowlux Plumbing Ltd2023
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Flow Heating Services Ltd's accounts due?
Flow Heating Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Flow Heating Services Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Flow Heating Services Ltd still trading?
Flow Heating Services Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Flow Heating Services Ltd do?
Flow Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Flow Heating Services Ltd?
Flow Heating Services Ltd was incorporated on 30 March 2019, 7 years ago.
What is the penalty if Flow Heating Services Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Flow Heating Services Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.